package com.javaclimb.drug.controller;

import com.javaclimb.drug.common.ResultMapUtil;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class userController {
    @RequestMapping("login")
    public String login(){
        return "/login";//    "/"  表示会转向 login的HTML页面
    }
    /**
     * 判断用户登录是否成功
     */
    @RequestMapping("/toLogin")
    @ResponseBody
    public Object toLogin(String username,String password){
        if (username==null||password==null){
            return ResultMapUtil.getHashMapLogin("用户名或密码不可以为空","2");
        }
        Subject subject = SecurityUtils.getSubject();
        UsernamePasswordToken token= new UsernamePasswordToken(username,password);
        try {
            subject.login(token);
        }catch (UnknownAccountException e){
            return ResultMapUtil.getHashMapLogin("用户名不存在","2");
        }catch (IncorrectCredentialsException e){
            return ResultMapUtil.getHashMapLogin("密码不正确","2");
        }
        return ResultMapUtil.getHashMapLogin("验证成功","1");
    }

    @RequestMapping("/index")
    public String index(){
        return "/index";//    "/"  表示会转向 login的HTML页面
    }
    /**
     * 退出登录
     */
    @RequestMapping("/logout")
    public String logout(){
        Subject subject = SecurityUtils.getSubject();
        subject.logout();
        return "redirect:/login";
    }

}
